#!/bin/sh

set -e

cd $(dirname $0)

. ../../common/config.sh
. ../../common/log.sh

log_start "$0" "usermod keeps links or devices when it moves the user's home directory"

save_config

# restore the files on exit
trap 'log_status "$0" "FAILURE"; restore_config; rm -rf /home/foo /home/foo2; umount /tmp/home; rmdir /tmp/home' 0

change_config

mkdir /home/foo
mkdir /home/foo/titi
echo toto > /home/foo/toto
ln /home/foo/toto /home/foo/.tata
ln -s /home/foo/toto /home/foo/tutu
mknod /home/foo/null c 1 3
chown -R foo:foo /home/foo

mkdir /tmp/home
mount --bind /home /tmp/home

echo -n "Change the user's home directory (usermod -m -d /tmp/home/foo2 foo)..."
usermod -m -d /tmp/home/foo2 foo
echo "OK"

echo -n "Check the passwd file..."
../../common/compare_file.pl data/passwd /etc/passwd
echo "OK"
echo -n "Check the group file..."
../../common/compare_file.pl config/etc/group /etc/group
echo "OK"
echo -n "Check the shadow file..."
../../common/compare_file.pl config/etc/shadow /etc/shadow
echo "OK"
echo -n "Check the gshadow file..."
../../common/compare_file.pl config/etc/gshadow /etc/gshadow
echo "OK"
echo -n "Check the user's home directory was removed..."
test ! -d /home/foo
echo "OK"
echo -n "Check the user's home directory was moved..."
test -d /home/foo2
echo "OK"
echo -n "Check content of /tmp/home/foo2/..."
stat --printf "%A %U:%G %N\n" /tmp/home/foo2/* /tmp/home/foo2/.* 2>/dev/null | sort > tmp/home_ls-a
diff -rauN data/home_ls-a tmp/home_ls-a
echo "OK"
rm -f tmp/home_ls-a

echo -n "Remove the new home directory..."
rm -rf /tmp/home/foo2
echo "done"

umount /tmp/home
rmdir /tmp/home

log_status "$0" "SUCCESS"
restore_config
trap '' 0

